CN1227088C - Cutter tool holder for drilling machine and/or impact machine tool - Google Patents
Cutter tool holder for drilling machine and/or impact machine tool Download PDFInfo
- Publication number
- CN1227088C CN1227088C CN 01119945 CN01119945A CN1227088C CN 1227088 C CN1227088 C CN 1227088C CN 01119945 CN01119945 CN 01119945 CN 01119945 A CN01119945 A CN 01119945A CN 1227088 C CN1227088 C CN 1227088C
- Authority
- CN
- China
- Prior art keywords
- holder
- tool
- described tool
- clamping element
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title abstract description 3
- 230000000903 blocking effect Effects 0.000 claims description 50
- 239000011159 matrix material Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000004308 accommodation Effects 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000010985 leather Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
- B23B31/1071—Retention by balls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Gripping On Spindles (AREA)
- Earth Drilling (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention proceeds from a tool holder for a drilling and/or striking tool machine, having a basic body (10, 12), which has a location opening for inserting a tool shank, having at least one locking element (18), which for locking the tool shank engages with an inner end radially through a hole in the basic body into the location opening and is adjustable by means of an actuating element (24, 26) out of a locking position into an unlocking position and vice versa, and having a clamping apparatus (28, 30), which comprises at least one actuable clamping element (32, 34) and at least one supporting element (36), to which elements connecting means are applied for bracing and fixing the locking element. It is proposed that the clamping element is designed as a separate component to the actuating element.
Description
Technical field
The present invention relates to a kind of tool-holder that is used for rig and/or impact type machine-tool.
Background technology
A kind of tool-holder of such type is disclosed in EP 0 765 707 B1.This tool-holder has a gripping sleeve or a matrix, a ring of being exerted pressure by compression spring, this ring and a plurality of blocking element actings in conjunction that can insert in the taper accommodation hole.In addition, tool-holder has an axially movable operation leather cup of gripping sleeve relatively.Gripping sleeve has lateral openings in the accommodation hole zone, blocking element can be bearing in these accommodation holes with moving radially basically.
For clamping force that centers, improves blocking element and the assurance revolution without a doubt that improves boring bar tool or cutter, be provided as the syndeton that screw thread constitutes on gripping sleeve and operation leather cup, blocking element can pass through the clamped and axial restraint of syndeton.In order to clamp and to fix, the operation leather cup with internal thread is screwed onto on the external screw thread of gripping sleeve.Meanwhile, the operation leather cup is by a stop part that is made of a spring washer on the profile within it, push an axle sleeve to blocking element by a backing ring and by a damping element.In addition, compression spring is further compacted by the axial passing of operation leather cup, and the end that compression spring deviates from blocking element is bearing on the operation leather cup by damping element, backing ring and stop part.Blocking element is in axial direction pressed to an inclined-plane by axle sleeve and compression spring, by this, axial force is transformed into a power of radially inwardly pointing to, and blocking element radially inwardly is pressed in the groove of clamping handle of boring bar tool or cutter.
For with boring bar tool or cutter release or take out, the operation leather cup with internal thread screws down from the external screw thread of gripping sleeve.And then, the operation leather cup with moulding stopper section moves axially towards blocking element, makes these blocking elements radially outward be flapped toward its unlocked position by this.
Summary of the invention
The present invention proposes a kind of tool-holder that is used for rig and/or impact type machine-tool, and this tool-holder has a matrix, and this matrix has the accommodation hole that is used to insert handle of a knife; Have at least one blocking element, this blocking element radially inserts in the accommodation hole with the opening that its inner end passes in the matrix for the locking handle of a knife, and can move and move on the contrary to unlocked position from locked position of coupler by an executive component; Also has a clamping device, this clamping device has at least one exercisable clamping element and at least one supporting member, in order to tighten and the fixed latch element, on this clamping device syndeton is set, wherein, the clamping element conduct constitutes with the member that executive component separates.
Here suggestion; the clamping element conduct constitutes with the member that executive component separates; this can provide favourable structure free space; particularly make protected all the time ectocine, for example dust etc. avoided of syndeton, the complete built-in ground of syndeton radially is placed within executive component in other words.During by the executive component release, syndeton can keep engagement, can reach by this and operate preferably and the wearing and tearing of syndeton are reduced.Can avoid syndeton constantly to reenter engagement.Can avoid because direct clamping force causes load to executive component, and operating sleeve can be made with light, low-cost material, particularly use a kind of plastics, it can be advantageously for example as protecting when temperature raises and/or at the contact of voltage.In addition, relative motion between clamping element and the operating sleeve can be advantageously used in sends signal, for example be used to send a kind of signal of telecommunication, only make clamped and just can operate rig and/or impact type machine-tool fixedly the time at blocking element, and/or send optical signal for the operator, indicate to the operator by this signal, whether blocking element is clamped and fixing.
Clamping element in principle can be with an additional executive component or is advantageously operated with the executive component that has had, and can save additional member, structure space, weight and mounting cost by this.
Suggestion in another structure of the present invention, syndeton constitutes as screw thread, and this structurally can make simply, and can compensate simply by tolerance.
In order to save additional member, structure space and mounting cost, clamping element advantageously is made of a member, this member constitutes the spring base of the compression spring that blocking element is loaded, and/or this clamping element acts on the blocking element by a member when blocking, and this member constitutes the spring base of the compression spring that blocking element is loaded.In addition, if clamping element is made of a member that constitutes spring base, can advantageously utilize the compression spring clamping force that improves by clamping process.
Clamping element can structure be used to send signal especially simply, especially for sending optical signal to the operator, its mode is: settle clamping element to such an extent that coveredly when the blocking axially stretching out outside the executive component end face with at least a portion during below executive component and at released state.
Suggestion in another structure of the present invention, the syndeton of clamping element is made of an axial vane surface, for the respective shaft by supporting member clamps and fixes to bearing-surface, this axial vane surface can move, in these faces at least one has a gradient at circumferencial direction, is used for converting to rotatablely moving axially-movable.Such syndeton can be made especially at low cost, exactly, and particularly owing to the extension that radially extends.If clamping element is made of at least one sheet member, this clamping element can be in a little radial structure space, from one radially at matrix and the active position outside other member perhaps, be directed to supporting member in the axial direction, the configuration free space can be produced by this, and total radial structure space can be saved.
In addition, constitute by sheet member being fixedlyed connected with a member and/or making supporting member rotate transmission ring by one, wherein, described member constitutes the spring base of the compression spring that blocking element is loaded, and can save additional member, structure space and mounting cost.Also can be with clamping element or sheet member and a member single type formation that constitutes spring base.
Description of drawings
From following description of drawings, can learn other advantage.Embodiments of the invention shown in the drawings.Accompanying drawing, specification and claims have comprised many combined feature.Those skilled in the art also can consider the feature that each is single according to purpose, and can sum up significant other combination.
Shown in the accompanying drawing:
The longitudinal sectional drawing of Fig. 1 tool-holder of the present invention,
Executive component among Fig. 2 Fig. 1 and clamping element are from last face tilt
Flexible program of Fig. 3 Fig. 1 and
The decomposition view of Fig. 4 flexible program shown in Figure 3.
The specific embodiment
Fig. 1 shows a tool-holder, for be used for rig and/or impact type machine-tool, particularly in order to hole, tool-holder is equipped with diamond cutter or the circular drill bit of the hard rock that is inlaid with gold.Tool-holder can or regularly or can be connected with machine-tool, this machine-tool or can manual operation perhaps also can be clamped in the drilling machine column with taking off.
Tool-holder has one around the rotating matrix 10 that drives of longitudinal axis.Matrix 10 has an accommodation hole 14 in the cutter side, and the handle of a knife 16 of cutter 78 can insert in this accommodation hole.Accommodation hole 14 is in a housing region 66 upper conical formations.A cylindrical region 68 is connected on the housing region 66 in the machine side, and this cylindrical region stairstepping carries out the transition in the hollow cylinder nucleus 70 of matrix 10.Settle an elastic ring 72 on the intermediate location between cylindrical region 68 and the nucleus 70, this elastic ring is as the end face stop part and the seal of the cutter 78 of packing into.
In matrix 10, in taper housing region 66, constitute three openings 22, in Fig. 1, dissect and one of them is shown and another is shown with vertical view.Opening 22 is tiltedly extending with respect to axis of rotation is radially lean-in on the axial direction 74 of cutter 78, and aims at the cannelure 76 on the handle of a knife 16 respectively in inside.Opening 22 radially outward leads in the recess outwardly open on the matrix 10 80 respectively.
In opening 22, settle a blocking element 18 respectively, this blocking element have two by connection bridge 82 with narrowed cross-section end 20,84 that connect, projection gradually.Inner, roughly spherical end 20 is passed opening 22 and is stretched in the accommodation hole 14, thereby enter in the cannelure 76 of handle of a knife 16.The outside of blocking element 18, roughly limoniform end 84 is passed recess 80 and is extended radially out outside matrix 10.
On the axial direction 74 of cutter 78, baffle ring 92 constitutes an intilted oblique stop surface 94 in its side towards blocking element 18, and the outer end 84 of blocking element 18 rests on this stop surface.Backing ring 50 be bearing in outer end 84 with a bearing-surface 96 another to axial on the side, this backing ring constitutes a spring base 52 that is used for compression spring 48 in the machine side, and have a hollow cylinder continuous segment 98, this continuous segment has an axle collar 100 that radially inwardly points in the machine side again.One end of compression spring 48 is directed on continuous segment 98.On spring base 46, this spring base constitutes on a clamping element 32 of clamping device 28 compression spring 48 at an end bearing of machine side.Compression spring 48 acts on the blocking element 18 by backing ring 50 along the direction 74 towards cutter 78.
Clamping element 32 is connected with the external screw thread 38 of matrix 10 by internal thread 40, and matrix constitutes a supporting member of clamping device 28.Clamping element 32 advantageously have on the end of its machine side three settle evenly distributedly on the circumference, radially outward and the transmission wing 104,106,108 (Fig. 2) that outside the machine side end face 102 that exceeds clamping element 32 on the axial direction 54, extends.Though clamping element 32 conducts constitute with the member that operating sleeve 24 separates, yet it can be by operating sleeve 24 operations, exactly, the transmission wing 104,106,108 radially outward are inserted in three recesses 110,112,114 that form on the operating sleeve 24 along the direction of rotation shape identically.
When packing cutter 78 into tool-holder, handle of a knife 16 inserts in the accommodation hole 14.Blocking element 18 is radially outward pressed, and the power that overcomes compression spring 48 is here axially pressed backing ring 50 backward along direction 54.Here, slide along the stop surface 94 of baffle ring 92 in the outer end 84 of blocking element 18, and it is motionless that this baffle ring keeps on its position.
Enough dark in handle of a knife 16 insertion accommodation holes 14, the blocking element 18 that is loaded by compression spring 48 is fastened in the cannelure 76 of handle of a knife 16 with its inner end 20.This machine-tool can have been worked basically.One is rotated transmission ring 118 and is used to drive cutter 78 rotations, this rotation transmission ring refers to that with three transmissions of radially inwardly pointing to 122 can not be connected with handle of a knife 16 with relatively rotating, refer to that with three transmissions of radially outward pointing to 120 pass matrix 10 outwardly open openings 132 and clamp, and it refers to that by transmission 120 insertion openings 132 are connected along the direction of rotation shape with matrix 10 identically.
But in order to clamp handle of a knife 16 more firmly, it particularly also seamlessly is fixed in the tool-holder all the time under the pulling force that is applied to it along direction 74, blocking element 18 is further clamped and is fixed by clamping device 28.Wherein, clamping element 32 is rotated against the direction of rotation of cutter 78 with respect to matrix 10 by operating sleeve 24, exactly, from seeing in the counterclockwise direction towards the axial direction 74 of cutter 78.By this, clamping element 32 moves along the axial direction 74 towards cutter 78 by the screw thread 38,40 that constitutes as left hand thread, further compaction pressure spring 48, and reach with stop surface 116 and rest on the axle collar 100 of backing ring 50, realize spacing.Clamping element 32 continues rotation in the counterclockwise direction, make and on backing ring 50, act on an axial force along direction 74 towards cutter 78 by screw thread 38,40, backing ring acts on its bearing-surface 96 on the conical surface of outer end 84 of blocking element 18, and blocking element radially inwardly is pressed in the cannelure 76 of handle of a knife 16 more strongly.The operator of machine-tool or tool-holder can be complementary the clamping force of handle of a knife 16 and the weight of cutter 78 by the torque that is added on the operating sleeve 24, that is to say, he can make the big cutter of weight 78 be clamped in strongly in the tool-holder, and the little cutter of weight is clamped in the tool-holder not too doughtily.
If cutter 78 is taken out from tool-holder, at first clamping element 32 is rotated on matrix 10 along the direction of rotation of cutter 78 by operating sleeve 24, here, along deviating from axial direction 54 precessions of cutter 78, exactly, rest on the stop washer 124 up to the end face 102 of clamping element with its machine side.In axial direction 54 with respect to operating sleeve 24 motion, and the machine side end 56,58,126 that it moves to its transmission wing 104,106,108 was exceeding outside the machine side end face 60 of operating sleeve 24 on the axial direction 54 that deviates from cutter 78 when clamping element 32 rotated on matrix 10.If clamping element 32, has color-coded end 56,58,126 and sends the signal that clamping element 32 is in the unlocked position to the operator by putting on the stop washer 124 with its end face 102.
Then, operating sleeve 24 slides on matrix 10 along the axial direction 54 that deviates from cutter 78.Here, operating sleeve 24 is pushed baffle ring 92 to blocking element 18 by flange 90.Blocking element 18 by baffle ring 92 in recess 80 at first the upset, up to outer end 84 by the bottom surface of putting recess 80 on.As long as outer end one comes on the bottom surface, flip-flop movement finishes, and baffle ring 92 drives the elastic force axially-movable that blocking element 18 overcomes compression spring 48.Blocking element 18 is radially outward moved by opening 22, and the cannelure 76 of handle of a knife 16 is released.
Tool-holder in the replaceable scheme of Fig. 1 shown in Fig. 3 and Fig. 4 and Fig. 2.Substantially the same member is denoted by like references in principle.In addition, consult explanation about identical feature and function to Fig. 1 and Fig. 2 embodiment.
Tool-holder has a clamping device 30, and it has a clamping element 34 (Fig. 4) that is made of three thin plate shells.This thin plate shell inserts in the cannelure 138 of a backing ring 62 with an extension that radially extends 128 respectively, and backing ring 62 constitutes a spring base 64, is used for the compression spring 48 that blocking element 18 is loaded.On an arresting disc 140, this arresting disc keeps firm by a clamping ring 142 along the axial direction 54 that deviates from cutter 78 to compression spring 48 on the matrix 12 of tool-holder at the machine side bearing.
The thin plate shell is placed in the equally distributed vertical recess 130 of inner periphery upper edge circumference of the operating sleeve 26 that plastics make along the direction of rotation shape identically, and along towards the axial direction 54 of cutter 78, radially outside matrix 12, extend.
End in the cutter side, the thin plate shell has syndeton 44, these syndetons are made of the extension that extends radially inwardly, and constitute the plane in the machine side, and these planes have a gradient at circumferencial direction and are used for converting to rotatablely moving axially-movable.The supporting member 36 of clamping device 30 rotates transmission ring by one and constitutes, this rotation transmission ring has three radially inwardly sensings, equally distributed transmission refers to 122 on circumference, being used to drive cutter 78 rotates together, and have three radially outward point to, equally distributed transmission refers to 42 on circumference, these transmissions refer to pass matrix 12 outwardly open openings 132 clamps, and is connected along the direction of rotation shape with matrix 12 in opening 132 identically.The transmission of Zhi Xianging radially outward refers to that 42 extend radially out outside matrix 12, constitutes clamping device 30 and the syndeton of cutter side shaft to bearing-surface.The rotation transmission ring on the stop part 134 that is made of matrix 12, keeps firm in the cutter side by a clamping ring 136 at the machine side bearing on matrix 12.
When clamping device 30 was in released state, the syndeton 44 of thin plate shell is positioned at transmission ring on the axial direction 54 that deviates from cutter 78 transmission referred to 42 or the front of the middle cavity of supporting member 36.When blocking element 18 was unlocked, syndeton 44 can be passed through between transmission refers to 42 along the axial direction 54 that deviates from cutter 78 by operating sleeve 26.Operating sleeve 26 with a stopper section on its inner periphery 146 by a safety collar 86 towards axial direction 74 upper supports of cutter 78 on matrix 12, and can not remain on the matrix 12 with getting loose.
In order to tighten and fixed latch element 18, syndeton 44 refers in transmission with the face of its machine side rotate on 42 the cutter side bearing face, exactly, rotates against the direction of rotation of cutter 78.Because the face gradient in a circumferential direction of syndeton 44, the torque that brings by operating sleeve 26 is converted into along the axial force that acts on towards the direction 74 of cutter 78 on the backing ring 62, this backing ring acts on its bearing-surface 96 on the conical surface of outer end 84 of blocking element 18, and this blocking element radially inwardly is pressed in the cannelure 76 of handle of a knife 16 intentinonally.The operator of machine-tool or tool-holder can be complementary the clamping force of handle of a knife 16 and the weight of cutter 78 by being applied to the torque on the operating sleeve 26.
Before can making cutter 78 releases, must eliminate the clamping force that produces by 30 pairs of blocking elements of clamping device 18 with known mode.By operating sleeve 26 the thin plate shell is rotated on matrix 12, exactly, deviating from up to syndeton 44 and be positioned at the front that transmission refers to 42 middle cavity on the axial direction 54 of cutter 78.This point operator can learn thus, promptly occurs slit 144 above transmission refers to 42.
Claims (12)
1. the tool-holder that is used for rig and/or impact type machine-tool has a matrix (10,12), and this matrix has the accommodation hole (14) of handle of a knife (16) that are used to pack into; Has at least one blocking element (18), this blocking element passes matrix (10 in order to lock handle of a knife (16) with its inner end (20), 12) opening in (22) radially inserts in the accommodation hole (14), and can move to a unlocked position from a latched position by means of an executive component (24,26) also can move on the contrary; Also have a clamping device (28,30), this clamping device has at least one exercisable clamping element (32,34) and at least one supporting member (36), in order to tighten and fixed latch element (18), syndeton (38,40 is set on clamping device, 42,44), it is characterized by clamping element (32,34) conduct constitutes with the member that executive component (24,26) separates.
2. according to the described tool-holder of claim 1, it is characterized by, executive component (24,26) is made of plastics.
3. according to the described tool-holder of claim 1, it is characterized by, clamping element (32,34) can pass through executive component (24,26) operation.
4. according to the described tool-holder of one of claim 1 to 3, it is characterized by, the relative motion between clamping element (32) and the executive component (24) is used to send a signal.
5. according to the described tool-holder of one of claim 1 to 3, it is characterized by, syndeton (38,40) constitutes as screw thread.
6. according to the described tool-holder of claim 5, it is characterized by, clamping element (32) is made of a member, and this member constitutes the spring base (46) of the compression spring (48) that blocking element (18) is loaded.
7. according to the described tool-holder of claim 5, it is characterized by, clamping element (32) acts on the blocking element (18) by a member (50) under blocking, and this member constitutes the spring base (52) of the compression spring (48) that blocking element (18) is loaded.
8. according to the described tool-holder of claim 4, it is characterized by, clamping element (32) is settled like this: covered below executive component (24) under blocking, in axial direction (54) protrude in outside the end face (60) of executive component (24) with at least one part (56,58) under released state.
9. according to the described tool-holder of one of claim 1 to 3, it is characterized by, the syndeton (42 of clamping element (34), 44) constitute by an axial vane surface, in order to tighten and to fix, this face can move on bearing-surface in a respective shaft of supporting member (36), and at least one in these faces has a gradient in a circumferential direction, is used for converting to rotatablely moving axially-movable.
10. according to the described tool-holder of claim 9, it is characterized by, clamping element (34) is made of at least one sheet member.
11. according to the described tool-holder of claim 10, it is characterized by, sheet member is fixedlyed connected with a member (62), this member constitutes the spring base (64) of the compression spring (48) that blocking element (18) is loaded.
12. according to the described tool-holder of claim 11, it is characterized by, supporting member (36) rotates transmission ring by one and constitutes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2000131938 DE10031938B4 (en) | 2000-06-30 | 2000-06-30 | Tool holder for a drilling and / or percussion machine tool |
| DE10031938.6 | 2000-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1332050A CN1332050A (en) | 2002-01-23 |
| CN1227088C true CN1227088C (en) | 2005-11-16 |
Family
ID=7647380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01119945 Expired - Fee Related CN1227088C (en) | 2000-06-30 | 2001-06-29 | Cutter tool holder for drilling machine and/or impact machine tool |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2002086303A (en) |
| CN (1) | CN1227088C (en) |
| CH (1) | CH695091A5 (en) |
| DE (1) | DE10031938B4 (en) |
| GB (1) | GB2365374B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010002353A1 (en) * | 2010-02-25 | 2011-08-25 | Robert Bosch GmbH, 70469 | Hand tool |
| DE102011075861A1 (en) * | 2011-05-16 | 2012-11-22 | Robert Bosch Gmbh | Tool retainer for use in e.g. drilling hammer to retain drilling tool utilized for processing workpiece, has form closure unit designed as bolt and comprising notches that are free from intervention of components in operating mode |
| WO2014005768A1 (en) * | 2012-07-04 | 2014-01-09 | Robert Bosch Gmbh | Spindle locking device |
| DE102012223094A1 (en) * | 2012-12-13 | 2014-06-18 | Hilti Aktiengesellschaft | toolholder |
| CN109590937A (en) * | 2014-04-22 | 2019-04-09 | 马科斯泰克消费者制品有限公司 | Rapid connecting clamp head mechanism for screwdriver |
| SE540445C2 (en) * | 2016-04-29 | 2018-09-18 | Kapman Ab | Holder for a rotary tool, such as a hole saw |
| CN106737437A (en) * | 2017-01-11 | 2017-05-31 | 江苏东成机电工具有限公司 | Hand-held tool |
| EP3456448B1 (en) * | 2017-09-15 | 2020-05-13 | Narr Beteiligungs GmbH | Coupling device |
| EP3834970A1 (en) * | 2019-12-11 | 2021-06-16 | Hilti Aktiengesellschaft | Device for transmitting torque from a drilling device to a drill bit |
| EP3834969A1 (en) * | 2019-12-11 | 2021-06-16 | Hilti Aktiengesellschaft | Device for transmitting torque from a drilling device to a drill bit |
| CN219293883U (en) | 2020-07-02 | 2023-07-04 | 米沃奇电动工具公司 | Rotary impact tool with bit holder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744092C2 (en) * | 1987-12-24 | 1997-02-27 | Hilti Ag | Tool holder for drilling and chiseling tools |
| DE3744091A1 (en) * | 1987-12-24 | 1989-07-13 | Hilti Ag | TOOL HOLDER FOR DRILLING AND CHISEL DEVICES AND TOOLS |
| DE4401663A1 (en) * | 1994-01-21 | 1995-07-27 | Bosch Gmbh Robert | Tool holder |
| DE19521993B4 (en) * | 1995-06-20 | 2009-04-09 | Robert Bosch Gmbh | Tool holder and tool for a drilling and / or percussion machine tool |
| DE19536154A1 (en) * | 1995-09-28 | 1997-04-03 | Hilti Ag | Tool holder for drilling and chiseling tools |
| DE19708176A1 (en) * | 1997-02-28 | 1998-09-03 | Bosch Gmbh Robert | Tool holder for a drilling and / or impact machine tool |
-
2000
- 2000-06-30 DE DE2000131938 patent/DE10031938B4/en not_active Expired - Fee Related
-
2001
- 2001-05-18 CH CH9322001A patent/CH695091A5/en not_active IP Right Cessation
- 2001-06-26 GB GB0115618A patent/GB2365374B/en not_active Expired - Fee Related
- 2001-06-29 JP JP2001199868A patent/JP2002086303A/en active Pending
- 2001-06-29 CN CN 01119945 patent/CN1227088C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1332050A (en) | 2002-01-23 |
| DE10031938B4 (en) | 2006-03-16 |
| GB0115618D0 (en) | 2001-08-15 |
| CH695091A5 (en) | 2005-12-15 |
| JP2002086303A (en) | 2002-03-26 |
| GB2365374B (en) | 2003-02-05 |
| DE10031938A1 (en) | 2002-01-17 |
| GB2365374A (en) | 2002-02-20 |
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